This bike-powered backyard rollercoaster rules

This bike-powered backyard roller coaster rules. It also seems like the perfect way to get in shape, because what kid isn't going to beg you to pedal the ride over and over?

The cart moves up the hill while someone operates the bike, and then momentum carries it around the winding track. The ride looks a bit wild, too.

What a lucky kid, this thing looks like so much fun!